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Q1. | Accuracy of 'fix' by two point problem, is. |

A. | bad [Wrong Answer] |

B. | good [Wrong Answer] |

C. | not reliable [Correct Answer] |

D. | unique. [Wrong Answer] |

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Explanation:-
Answer : CDiscuss it below :!! OOPS Login [Click here] is required to post your answer/resultHelp other students, write article, leave your comments |

**Also Read Similar Questions Below :**

⇒ The scale on which three dimensions can be measured is known as

Plain scale

Diagonal scale

Chord scale

Vernier scale

⇒ If 'n' is the number of sides, then the total sum of interior angles of a closed traverse should be

n + 2

2n - 4

2n + 4

4n - 2

⇒ The rise and fall method

is less.accurate than height of instrument method

is not suitable for levelling with tilting levels

provides a check on the reduction of intermediate point levels

quicker and less tedious for large number of intermediate sights

⇒ In tacheometrical observations, vertical staff holding is generally preferred to normal staffing, due to.

ease of reduction of observations

facility of holding

minimum effect of careless holding on the result

none of these.

⇒ The 'point of curve' of a simple circular curve, is.

point of tangency

point of commencement

point of intersection

mid-point of the curve

⇒ Which of the following angles can be set out with the help of French cross staff?

45° only

90° only

either 45° or 90°

any angle

⇒ The radius of curvature of the arc of the bubble tube is generally kept.

10 m

25 m

50 m

100 m

⇒ If

*L*is in kilometres, the curvature correction is.

58.2 L2 mm

64.8 L2 mm

74.8 L2 mm

78.4 L2 mm.

⇒ Transition curves are introduced at either end of a circular curve, to obtain.

gradually decrease of curvature from zero at the tangent point to the specified quantity at the junction of the transition curve with main curve

gradual increase of super-elevation from zero at the tangent point to the specified amount at the junction of the transition curve with main curve

gradual change of gradient from zero at the tangent point to the specified amount at the junction of the transition curve with main curve

none of these.

⇒ The zero of the graduated circle of a prismatic compass is located at.

north end

east end

south end

west end.

⇒ Arbitrary bearing is measured by

Theodolite

Magnetic compass

Astronomical observations

Any of the above

⇒ When the meridian of a plane changes with time, then this meridian will be

Arbitrary

Magnetic

True

Grid

⇒ Negative errors are caused in chain, when its length is

More than the standard length

Iess than the standard length

Equal to the standard length

Any of the above

⇒ For preparation of a contour plan for a route survey.

method of squares is used

method of trace contour is used

method of cross profile is used

indirect method of contouring is used.

⇒ Optical reading instruments.

the vertical circle is usually continuous from 0Â° to 359Â°

the readings increase when the telescope is elevated in the face left position

the readings decrease when the telescope is elevated in the face right position

all the above.

⇒ Pick up the correct statement from the following :

If the slope of the curve of a mass diagram in the direction of increasing abscissa is downward, it indicates an embankment

The vertical distance between a maximum ordinate and the next forward maximum ordinate represents the whole volume of the embankment

The vertical distance between a minimum ordinate and the next forward maximum ordinate represents the whole volume of a cutting

all the above.

⇒ The least count of prismatic compass is

1°

30'

15'

20"

⇒ Subtense bar is an instrument used for

levelling

measurement of horizontal distances in plane areas

measurement of horizontal distances in undulated areas

measurement of angles

⇒ Sensitiveness of a level tube is designated by

radius of level tube

length of level tube

length of bubble of level tube

none of the above

⇒ In plane table survey the method used for locating the plane table station is

Radiation

Intersection

Radiation or intersection

Traversing

⇒ The angle of intersection of a curve is the angle between.

back tangent and forward tangent

prolongation of back tangent and forward tangent

forward tangent and long chord

back tangent and long chord.

⇒ The linen tape reinforced with brass or copper wires to prevent streching or twisting of fibres is called

Limen tape

Metallic tape

Invar tape

Cloth tape

⇒ If the focal length of the object glass is 25 cm and the distance from object glass to the trunnion axis is 15 cm, the additive constant is

0.1

0.4

0.6

1.33

⇒ True meridian of different places.

converge from the south pole to the north pole

converge from the north pole to the south pole

converge from the equator to the poles

run parallel to each other.

⇒ In an internal focussing type of telescope, the lens provided is

concave

convex

plano-convex

plano-concave

⇒ The tie line is run through the survey to

Take off sets for detailed surveying

Take details of nearby objects

Check accuracy of work

None of the above

⇒ In geodetic surveys higher accuracy is achieved, if.

curvature of the earth surface is ignored

curvature of the earth surface is taken into account

angles between the curved lines are treated as plane angles

none of these.

⇒ Correction per chain length of 100 links along a slope of α radians, is.

100 Î±2

100 Î±

100 Î±3

100 Î±-1.

⇒ For setting out a simple curve, using two theodolites.

offsets from tangents are required

offsets from chord produced are required

offsets from long chord are required

none of these.

⇒ Contours of different elevations may cross each other only in the case of.

an over hanging cliff

a vertical cliff

a saddle

an inclined plane.